Remiornis heberti is an extinct species of paleognath bird from the Paleocene of France.Martin, L.D. (1992) The status of the Late Paleocene birds Gastornis and Remiornis. Los Angeles: Natural History Museum of Los Angeles County (Sciences series), 36:97-108.Lemoine, V. (1881) Recherches sur les oiseaux fossiles des terrains tertiaires inférieurs des environs de Reims, deuxième partie. Matot-Braine, Reims, pp 75 – 170 It is a species comparable in size to modern rheas, and possibly related to another European Paleogene ratite, Palaeotis.Gerald Mayr (2009). Paleogene Fossil Birds In spite of being one of the oldest ratites in the world, it is often ignored for Gondwana vicariance narratives.Buffetaut, E.; Angst, D. (November 2014). "Stratigraphic distribution of large flightless birds in the Palaeogene of Europe and its palaeobiological and palaeogeographical implications". Earth-Science Reviews. 138: 394–408. doi:10.1016/j.earscirev.2014.07.001.
References